Accupro 12182609 Corner Radius End Mill 1/2 in 4 Flute

Product Description

The ACCUPRO 12182609 is a solid carbide corner radius end mill designed for precision milling operations in ferrous and non-ferrous materials. With a 1/2 inch mill diameter, a 0.03 inch corner radius, and a 40-degree helix angle, this tool delivers smooth chip evacuation and reduced cutting forces in demanding applications. The AlTiN coating provides high heat resistance and extended tool life at elevated cutting speeds. Four flutes and a right-hand spiral flute geometry make this tool well-suited for finishing and semi-finishing passes where surface quality matters. Machinists and CNC operators in job shops, tool rooms, and production environments are the primary users.

This end mill is intended for use on CNC machining centers and manual knee mills where a corner radius profile is required to blend radii into part geometry or reduce stress concentrations at floor-to-wall intersections. It is a single-end, centercutting tool, meaning it can be used for plunge entry as well as side milling and slotting operations. The 1 inch length of cut and 3 inch overall length make it a standard-reach tool appropriate for most general-purpose cavity and profile work where extended reach is not required.

Key Features

• AlTiN coating provides high-temperature oxidation resistance for dry and semi-dry cutting
• 0.03 inch corner radius reduces stress risers and improves surface finish at part radii
• 40-degree helix angle promotes aggressive chip evacuation and smooth cutting action
• Centercutting design allows direct plunge entry without a pilot hole
• Micrograin solid carbide substrate for rigidity and edge retention
• Right-hand cut and right-hand flute direction compatible with standard CNC spindle rotation

Compatibility

Designed as an OEM-style replacement or direct-use solid carbide corner radius end mill for CNC machining centers and manual mills accepting a 1/2 inch straight shank.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Secure the shank in a collet or end mill holder to the full recommended grip depth before torquing to the tool holder specification. Confirm spindle direction is right-hand before engaging the cut. Always wear appropriate eye protection and ensure the machine guard is in place before running the spindle.